Alert archive / Minnesota / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 59, NWS Twin Cities, MN

June 11, 20174 counties in Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 11, 2017, 8:10 AM CDT for 4 counties in Minnesota. It was in force for 50 min. 4 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jun 11, 2017, 8:10 AM CDT (13:10 UTC)
Expired: Jun 11, 2017, 9:00 AM CDT
In force: 50 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.5 in
Wind: 60.0 mph

Counties Le Sueur County, MN, McLeod County, MN, Scott County, MN, Sibley County, MN

The radar

The Minneapolis radar (KMPX), 31 km from the middle of the area, began a volume at 13:10 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
Jun 11, 8:16 AM CDT	TSTM WND GST 56	4 Ne Henderson, MN	CORRECTED TO TSTM WND GST. MESONET STATION MN075, HENDERSON 4ENE.
Jun 11, 8:16 AM CDT	NON-TSTM WND GST 56	4 Ne Henderson, MN	MESONET STATION MN075, HENDERSON 4ENE.
Jun 11, 8:37 AM CDT	TSTM WND DMG	2 S Shakopee, MN	8 INCH LIMBS DOWN.
Jun 11, 8:42 AM CDT	HAIL 1	1 S Shakopee, MN

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 11, 6:28 AM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 1.2 hours before the alert went out and 29 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2213 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 294 m²/s²
0-3 km storm-relative helicity: 318 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.9

Open this sounding in Storm Lab

The text

As transmitted.

165 
WUUS53 KMPX 111310
SVRMPX
MNC079-085-139-143-111400-
/O.NEW.KMPX.SV.W.0059.170611T1310Z-170611T1400Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
810 AM CDT SUN JUN 11 2017

The National Weather Service in The Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Northeastern Le Sueur County in south central Minnesota...
  Sibley County in central Minnesota...
  Western Scott County in east central Minnesota...
  Southeastern McLeod County in central Minnesota...

* Until 900 AM CDT

* At 809 AM CDT, severe thunderstorms were located along a line
  extending from near New Germany to 6 miles east of Klossner, moving
  east at 55 mph.

  HAZARD...Ping pong ball size hail and 60 mph wind gusts. 

  SOURCE...Radar indicated. 

  IMPACT...People and animals outdoors will be injured. Expect hail 
           damage to roofs, siding, windows, and vehicles. Expect 
           wind damage to roofs, siding, and trees. 

* Severe thunderstorms will be near,
  Chaska and Carver around 825 AM CDT. 
  Le Sueur around 830 AM CDT. 
  Shakopee around 835 AM CDT. 
  Montgomery around 850 AM CDT. 

Other locations impacted by these severe thunderstorms include Mn
Valley State Rec Area, Helena, Rush River, Marystown, Plato, Glencoe
Airport, Heidelberg, New Sweden, New Rome and St Benedict.

This includes the following highways...
 U.S. Highway 169 between mile markers 76 and 84.
 U.S. Highway 212 between mile markers 115 and 126.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4446 9447 4481 9420 4482 9401 4472 9401
      4472 9390 4468 9389 4468 9377 4464 9376
      4470 9364 4476 9362 4480 9357 4480 9352
      4445 9354
TIME...MOT...LOC 1309Z 268DEG 47KT 4486 9394 4436 9430 

HAIL...1.50IN
WIND...60MPH
 
$$

jrb

2 follow-up statements

539 
WWUS53 KMPX 111330
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
830 AM CDT SUN JUN 11 2017

MNC085-111340-
/O.CAN.KMPX.SV.W.0059.000000T0000Z-170611T1400Z/
McLeod MN-
830 AM CDT SUN JUN 11 2017

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MCLEOD COUNTY IS
CANCELLED...

The storms which prompted the warning have  moved out of the warned 
area. Therefore, the warning has been cancelled.

A severe thunderstorm watch remains in effect until noon CDT for
south central, central and east central Minnesota.

LAT...LON 4446 9426 4472 9401 4472 9390 4468 9389
      4468 9377 4464 9376 4470 9364 4476 9362
      4480 9357 4480 9352 4445 9354
TIME...MOT...LOC 1330Z 268DEG 47KT 4487 9358 4437 9394 

$$

MNC079-139-143-111400-
/O.CON.KMPX.SV.W.0059.000000T0000Z-170611T1400Z/
Le Sueur MN-Sibley MN-Scott MN-
830 AM CDT SUN JUN 11 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 AM CDT
FOR NORTHEASTERN LE SUEUR...EASTERN SIBLEY AND WESTERN SCOTT
COUNTIES...

At 830 AM CDT, severe thunderstorms were located along a line
extending from Chanhassen to Ottawa, moving east at 55 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees. 

These severe storms will be near...
  Chaska around 835 AM CDT. 
  Shakopee around 840 AM CDT. 
  Montgomery around 850 AM CDT. 

Other locations impacted by these severe thunderstorms include Mn
Valley State Rec Area, Helena, Rush River, Marystown, Heidelberg, New
Sweden, New Rome and St Benedict.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4446 9426 4472 9401 4472 9390 4468 9389
      4468 9377 4464 9376 4470 9364 4476 9362
      4480 9357 4480 9352 4445 9354
TIME...MOT...LOC 1330Z 268DEG 47KT 4487 9358 4437 9394 

HAIL...1.50IN
WIND...60MPH
 
$$

jrb

039 
WWUS53 KMPX 111342
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
842 AM CDT SUN JUN 11 2017

MNC079-139-143-111400-
/O.CON.KMPX.SV.W.0059.000000T0000Z-170611T1400Z/
Le Sueur MN-Sibley MN-Scott MN-
842 AM CDT SUN JUN 11 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 AM CDT
FOR NORTHEASTERN LE SUEUR...SOUTHEASTERN SIBLEY AND WESTERN SCOTT
COUNTIES...

At 842 AM CDT, severe thunderstorms were located along a line
extending from near Edina to Le Center, moving east at 55 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts. 

SOURCE...Law enforcement reported wind damage earlier with this 
         storm. 

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees. 

These severe storms will be near...
  Shakopee around 845 AM CDT. 
  Montgomery around 850 AM CDT. 

Other locations impacted by these severe thunderstorms include
Marystown, Heidelberg, Mn Valley State Rec Area, St Benedict and
Helena.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4446 9401 4468 9381 4468 9377 4464 9376
      4470 9364 4476 9362 4480 9357 4480 9352
      4445 9354
TIME...MOT...LOC 1342Z 270DEG 47KT 4487 9339 4437 9376 

HAIL...1.50IN
WIND...60MPH
 
$$

jrb

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 11, 5:56 AM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Lac qui Parle, Swift, Yellow Medicine	49 min
Jun 11, 6:09 AM CDT	Severe Thunderstorm Warning	MPX	Lac qui Parle, Swift	36 min
Jun 11, 6:24 AM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Swift	66 min
Jun 11, 6:27 AM CDT	Severe Thunderstorm Warning	MPX	Redwood, Renville, Yellow Medicine	48 min
Jun 11, 6:50 AM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Meeker, Redwood, Renville	55 min
Jun 11, 7:05 AM CDT	Severe Thunderstorm Warning	MPX	Brown, Redwood	55 min
Jun 11, 7:21 AM CDT	Severe Thunderstorm Warning	MPX	McLeod, Meeker, Sibley, Wright	54 min
Jun 11, 7:34 AM CDT	Tornado Warning	MPX	Kandiyohi, Meeker	26 min
Jun 11, 7:38 AM CDT	Severe Thunderstorm Warning	MPX	Stearns, Wright	52 min
Jun 11, 7:50 AM CDT	Severe Thunderstorm Warning	MPX	Carver, Hennepin, Wright	55 min
Jun 11, 7:56 AM CDT	Special Weather Statement	MPX	Chippewa, Lac qui Parle, Pope, Stevens, Swift, Yellow Medicine	109 min
Jun 11, 8:00 AM CDT	Special Weather Statement	MPX	Brown	45 min
Jun 11, 8:05 AM CDT	Special Weather Statement	MPX	Benton, Morrison, Sherburne	40 min
Jun 11, 8:24 AM CDT	Special Weather Statement	MPX	Nicollet	51 min
Jun 11, 8:27 AM CDT	Severe Thunderstorm Warning	MPX	Anoka, Dakota, Hennepin, Ramsey, Scott	48 min
Jun 11, 8:38 AM CDT	Special Weather Statement	MPX	Chisago, Isanti	67 min
Jun 11, 8:50 AM CDT	Severe Thunderstorm Warning	MPX	Dakota, Washington	40 min
Jun 11, 9:00 AM CDT	Special Weather Statement	MPX	Goodhue, Le Sueur, Rice	60 min
Jun 11, 9:02 AM CDT	Severe Thunderstorm Warning	MPX	Anoka, Chisago, Washington	28 min
Jun 11, 9:37 AM CDT	Severe Thunderstorm Warning	MPX	Goodhue	38 min
Jun 11, 9:41 AM CDT	Special Weather Statement	MPX	Benton, Douglas, Morrison, Pope, Stearns, Todd	109 min
Jun 11, 4:08 PM CDT	Special Weather Statement	MPX	Wright	37 min
Jun 11, 4:27 PM CDT	Special Weather Statement	MPX	Isanti	33 min
Jun 11, 5:11 PM CDT	Special Weather Statement	MPX	Wright	34 min
Jun 11, 5:57 PM CDT	Special Weather Statement	MPX	Ramsey	33 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2017 Every severe thunderstorm warning in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.